Birsholle (Sornetan Mb): Middle Oxfordian, Switzerland

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Echinoidea - Cidaroida - Rhabdocidaridae
? Rhabdocidaris cf. copeoides (Agassiz and Desor 1847)
Echinoidea - Cidaroida
Plegiocidaris crucifera (Agassiz 1840)
Echinoidea - Cidaroida - Polycidaridae
see common names

Geography
Country:Switzerland State/province:Basellandschaft
Coordinates: 47.4° North, 7.5° East (view map)
Paleocoordinates:30.8° North, 23.1° East (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Jurassic Epoch: Late Jurassic
Stage: Oxfordian 10 m.y. bin: Jurassic 5
Key time interval: Middle Oxfordian Ammonoid zone:  Perisphinctes plicatilis
Age range of interval: 161.5 - 154.8 m.y. ago
Stratigraphy
Formation:Bärschwil Member:Sornetan
Stratigraphic resolution:group of beds
Stratigraphy comments: Perisphinctes antecedens subzone
Lithology and environment
Primary lithology:nodular lithified argillaceous marl
Environment:offshore indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collection method comments: Repository: Fondation Paléontologique Jurassienne (FPJ)
Metadata
Database number:196437
Authorizer:M. Clapham Enterer:M. Clapham
Research group:marine invertebrate
Created:2018-09-13 23:48:27 Last modified:2025-02-22 15:12:02
Access level:the public Released:2018-09-13 23:48:27
Creative Commons license:CC0
Reference information

Primary reference:
66800. B. Hostettler, G. Bernasconi, W. Erzberger, G. Schmidlin, and U. Menkveld-Gfeller. 2017. Die Cidaroiden (Echinoidea, Echinodermata) des Sornetan-und des Liesberg-Members der Bärschwil-Formation (mittleres Oxfordien, Nordwestschweizer Jura). Revue de Paléobiologie, Genève 36:403-432 [M. Clapham/M. Clapham]